water holds memories - Giyu x OC

In a small town nestled at the base of a towering mountain, Akane Tokugawa leads a life of quiet routine with her siblings and mother, fishing by the lake and selling their catch in the bustling town. But their peaceful existence shatters when Akane's sister, Katsuya, is found wounded and transformed into a demon. As Akane battles with the hardship of losing her family to her own sister, she must confront the harrowing reality of her sister's transformation and her own awakening fury. Amidst the long search for her sister, Akane's journey through her own memories leads her back to an old friend, will she be able to confide in him?